Hold on a minute. You tried to run a server without setting your booleans? Risky business, that.
Seriously, now. What do you mean by 'set booleans'? What servers? Your question is completely ambiguous; you need to provide more context, examples, information in general.
A 'boolean', in the most general sense, is simply a variable which has one of only two possible values: True or False. What boolean variables are you talking about?